Poochi Srinivasa Iyengar(Tamil: பூச்சி ஸ்ரீனிவாச ஐயெங்கர்) (Tamil: பூச்சி ஸ்ரீனிவாச ஐயெங்கர்) (August 16, 1860 – July 20, 1919), also known as Ramanathapuram Srinivasa Iyengar, was a singer and composer of Carnatic music. He was born in Ramanathapuram in Tamil Nadu. He studied music under Patnam Subramania Iyer (1845 – 1902), a singer of Carnatic music and came in the sishya parampara of Saint Thyagaraja. He had a large number of disciples, of whom the most popular was Ariyakudi Ramanuja Iyengar. He composed over 100 songs and used the mudra Srinivasa in his compositions. He died on July 20, 1919.
He was born on the 16th of August, 1860, to Narayana Iyengar and Lakshmi Ammal in Ramnad, he studied under Patnam Subramanya Iyer and counted among his sishyas Ariyakkudi Ramanuja Iyengar, Kandanur Srinivasa Iyengar, Salem Doraiswami Iyengar, Karaikudi Rajamani Iyengar and Kuttalam Srinivasa Iyer. He was Samasthana Vidwan at the Ramanathapuram Court (hence his name), but the name Poochi (meaning insect) was given to him for reasons not clear today. He composed over 100 pieces, including a Tillana in the rare Lakshmisa Tala. He died July 20th, 1919.